Home / 971,569.20-1,456,835.40-409,969.20

Finding the Fourth Proportional to 971,569.20, 1,456,835.40 and 409,969.20

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Solution

The fourth proportional to 971,569.20, 1,456,835.40 and 409,969.20 is: 614,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,569.20 : 1,456,835.40 = 409,969.20 : x
  2. Step 2: Convert to fraction form
    971,569.20/1,456,835.40 = 409,969.20/x
  3. Step 3: Cross multiply
    971,569.20x = 1,456,835.40 × 409,969.20
  4. Step 4: Simplify right side
    971,569.20x = 597,257,643,469.68
  5. Step 5: Solve for x
    x = 597,257,643,469.68/971,569.20
  6. Step 6: Final answer
    x = 614,735.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.